vzctl/openvz

   1 #!/bin/bash
   2 #
   3 # based on gentoo startup script from opnvz
   4 #
   5
   6 . /etc/rc.conf
   7 . /etc/rc.d/functions
   8
   9 VZ_MODULES="vzmon vzdev vzdquota"
  10 VZ_NET_MODULES="vznetdev vzethdev"
  11 VZ_MIGRATE_MODULES="vzcpt vzrst"
  12
  13 IP="/usr/sbin/ip"
  14 MODPROBE="/sbin/modprobe"
  15 SYSCTL="/sbin/sysctl"
  16
  17 VPSCONFDIR="/etc/vz/conf"
  18 VZDEV=venet0
  19 VZCTL="/usr/sbin/vzctl"
  20 VZQUOTA="/usr/sbin/vzquota"
  21
  22 start_net() {
  23   local mod
  24
  25   stat_busy "Setting up network for OpenVZ"
  26
  27   for mod in ${VZ_NET_MODULES}; do
  28     ${MODPROBE} $mod 2> /dev/null
  29   done
  30
  31   ${IP} link set ${VZDEV} up
  32   ${IP} addr add 0.0.0.0/0 dev ${VZDEV}
  33   ${SYSCTL} -q -w net.ipv4.conf.${VZDEV}.send_redirects=0
  34
  35   stat_done
  36 }
  37
  38 stop_net() {
  39   local mod
  40
  41   $IP link set ${VZDEV} down 2> /dev/null
  42
  43   for mod in ${VZ_NET_MODULES}; do
  44     ${MODPROBE} -r $mod &> /dev/null
  45   done
  46 }
  47
  48 start_ve() {
  49   local velist veid
  50
  51   cd ${VPSCONFDIR}
  52   velist=$(grep -l '^ONBOOT=yes\|^ONBOOT=\"yes\"' [0-9]*.conf 2>/dev/null | sed -e 's/.conf//g' | sort -n)
  53   cd - > /dev/null
  54
  55   ${SYSCTL} -q -w net.ipv4.route.src_check=0
  56
  57   for veid in ${velist}; do
  58     stat_busy "Starting VE ${veid}"
  59
  60     ${VZCTL} start ${veid} &> /dev/null
  61
  62     if [ $? -gt 0 ]; then
  63       stat_fail
  64     else
  65       stat_done
  66     fi
  67   done
  68
  69   return 0
  70 }
  71
  72 stop_ve() {
  73   local veid velist
  74
  75   if [ ! -f /proc/vz/veinfo ]; then
  76     return 0
  77   fi
  78
  79   velist=$(awk '$1 != 0 {print $1}' /proc/vz/veinfo | sort -nr)
  80
  81   for veid in ${velist}; do
  82     stat_bkgd "Stopping VE ${veid}"
  83
  84     ${VZCTL} set ${veid} --cpuunits 2000 --cpulimit 0 &> /dev/null
  85     ${VZCTL} stop ${veid} &> /dev/null &
  86   done
  87
  88   # wait for ve's to stop
  89   for veid in ${velist}; do
  90     sleep 1
  91     velist=$(awk '$1 != 0 {print $1}' /proc/vz/veinfo | sort -nr)
  92   done
  93
  94   return 0
  95 }
  96
  97 case "$1" in
  98   start)
  99     stat_busy "Loading OpenVZ modules"
 100
 101     if [ -e /dev/vzctl ]; then
 102       echo "OpenVZ is already running."
 103       stat_fail
 104       exit 1
 105     fi
 106
 107     # Load modules
 108     for mod in ${VZ_MODULES}; do
 109       /sbin/modprobe -r $mod &> /dev/null
 110       /sbin/modprobe $mod &> /dev/null
 111     done
 112
 113     if [ ! -e /dev/vzctl ]; then
 114       stat_fail
 115       exit 1
 116     fi
 117
 118     for mod in ${VZ_MIGRATE_MODULES}; do
 119       /sbin/modprobe -r $mod &> /dev/null
 120       /sbin/modprobe $mod &> /dev/null
 121     done
 122
 123     stat_done
 124
 125     start_net
 126     start_ve
 127
 128     stat_busy "Starting OpenVZ"
 129     add_daemon openvz
 130     stat_done
 131     ;;
 132   stop)
 133     stop_ve
 134     # network modules removed here
 135     stop_net
 136
 137     for mod in ${VZ_MIGRATE_MODULES} ${VZ_MODULES}; do
 138       /sbin/modprobe -r $mod &> /dev/null
 139     done
 140
 141     stat_busy "Stopping OpenVZ"
 142     rm_daemon openvz
 143     stat_done
 144     ;;
 145   restart)
 146     $0 stop
 147     sleep 1
 148     $0 start
 149     ;;
 150   *)
 151     echo "usage: $0 {start|stop|restart}"
 152 esac
 153 exit 0